TOA Electronics D-901 - Manual (Page 55)

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10.3.1. Echo gain settings
[ M i c B ] E C H O
O U T G A I N – 1 0 d B
PARAMETER
PUSH-ENTER
CHANGE
• Rotate the Setting knob to set the echo gain.
Parameter setting range: –INF (–
∞) to 0.0 dB in 1 dB steps
10.3.2. Feedback ratio settings
[ M i c B ] E C H O
F B R A T I O 3 0 %
PARAMETER
PUSH-ENTER
CHANGE
• Rotate the Setting knob to set the feedback ratio.
Parameter setting range: 0 – 99% in 1% steps
10.3.3. Feedback delay settings
[ M i c B ] E C H O
F B D L Y 1 2 0 m s
PARAMETER
PUSH-ENTER
CHANGE
• Rotate the Setting knob to set the feedback delay time.
Parameter setting range: 0 – 682 ms
10.3. Effect (Echo) Settings
The D-901 has an echo function, a part of an effect function.
• The Effect (echo) setting screen can be displayed by pressing the Effect key, or by using the
Screen shift keys on the Microphone Bus setting screen.
EFFECT
• The effect (echo) function can be enabled or disabled with the function ON/OFF key or Effect key
when any of the following screens is displayed.
• The function ON/OFF and Effect indicators light when enabled (ON).
ON
[Screen display operations]
Echo gain Initial echo delay Feedback ratio
Low-pass filter
frequency
Low-pass filter Q Feedback delay
Feedback suppression filter setting confirmation (previous page)
Bus assignment and crosspoint gain settings (next page)
[ M i c B ] E C H O
O U T G A I N – 1 0 d B
[ M i c B ] E C H O
F B R A T I O 3 0 %
[ M i c B ] E C H O
F B D L Y 1 2 0 m s
[ M i c B ] E C H O
P r e D L Y 8 0 m s
[ M i c B ] E C H O
L P F - F 3 . 7 5 k H z
[ M i c B ] E C H O
L P F - Q 0 . 5 0 0
[Effect (echo) function block diagram]
Pre-delay
Feedback delay
Feedback ratio
LPF
Echo gain
To feedback suppression